AXT, Inc. (NASDAQ:AXTI)

The Company is a developer and producer of high-performance compound and single element semiconductor substrates, including substrates made from gallium arsenide (GaAs), indium phosphide (InP) and germanium (Ge).

AXTI is used by TQNT, AVGO, SKWS to name a few. All of them are in the iPad. Niche exposure to LED, Solar & 4G markets, no debt, 0.70ish PEG, US bookkeeping and based, low cost production (read China), proprietary technology, and cash on the balance sheet.